Who wrote biographies of Sai Baba before Annasaheb Dabholkar, and what were these works like?

According to the provided text, Shri Dasganu Maharaj, a poet who had received Shri Sai Baba's grace, authored two biographies of Baba prior to Annasaheb Dabholkar's famous work. As detailed in Chapter 0, one biography is found in his Bhaktalilamrut (Chapters 31, 32, 33) and the second in his Bhaktisaramrut (Chapters 52, 53). While these works are described as undoubtedly excellent, heart-touching, and graceful, their main characteristic is their brevity. The text notes they are very short, which is a key distinction from the more comprehensive Shri Sai Satcharita.